10 20 30 40 50 CGGCCACGGCGAUCGCG--| U AC U CUGGUU UUGGGGC GGG UGAGUAUUACA CAGGUACUGGU \ GGCCCCG UCC ACUUAUAGUGU GUCUAUGACCA G GAACUUCGAGCGUCAAAUC^ C CC - UGGGUC . 110 100 90 80 70